Accessibility Links

Skip to main content Accessibility help
Accessibility feedback
Seasonal Holidays 2025
Go to Google home
Press / to jump to the search box
Choose what you’re giving feedback on
  • Delete
  • See more
  • Delete
    • See more
    • Report inappropriate predictions
    Quick Settings
    Sign in

    Filters and Topics

    AI Mode
    All
    Shopping
    Images
    Videos
    Short videos
    Forums
    More
    News
    Books
    Web
    Maps
    Tools
    Any time
    Any time
    Past hour
    Past 24 hours
    Past week
    Past month
    Past year
    Custom range...
    Custom date range
    Go
    All results
    All results
    Verbatim
    Advanced Search
    About 457,000 results (0.30s)
    Ctrl+Shift+X to select

    Refine results

    • Category
      • Hardware Tapes
      • Hardware Sealants
      • Hardware Adhesives
      • Concrete & Mortar Mixes
      See more
    • Stores
      • Lowe's
      • Home Depot
      • Grainger Industrial Supply
      • Menards
      See more
    • Formula
      • Silicone
      • Rubber
    • Features
      • Caulk
      • For Metal
      • Two-part
    • Color
      • Black
      • White
      • Gray
      • Red
    • Size
      • Under 3 fluid ounces
      • 3 – 10.3 fluid ounces
      • 10.3 – 31.5 fluid ounces
      • Over 31.5 fluid ounces
    • Use
      • Roof
      • Concrete
      • Pipe
      • Masonry
    • Type
      • Crack
      • Surface Coating
    • Price
      • Under $20
      • $20 - $40
      • $40 - $100
      • Over $100
      • $
        Please provide a valid price.
        $
        Please provide a valid price.
    • Sort by
      • Price: low to high
      • Price: high to low
    • Product Rating
      • 4 and up
    • Application Style
      • Cartridge
      • Tube
      • Bottle
    • Form
      • Paste
      • Liquid
    • Free shipping
      • Free shipping
    • Brand
      • Frigidaire
      • DAP
      • 3M
      • Red Devil
      See more
    Failed to load more results. Please try again later.
    Hardware Tapes
    Hardware Sealants
    Silicone
    Nearby
    Caulk
    Hardware Adhesives
    Black
    Reviews
    3 – 10.3 fluid ounces
    On sale
    10.3 – 31.5 fluid ounces
    Concrete & Mortar Mixes
    Buy
    Under 3 fluid ounces
    Get it tomorrow
    Over 31.5 fluid ounces
    White
    Hardware Lubricants, ...
    Roof
    Price
    For Sale
    Epoxy
    Refrigerator Parts & Accessories
    Gray

    Search Results

    AI Overview

    An AI Overview is not available for this search Can't generate an AI overview right now. Try again later.
    AI Overview
    A universal heat-resistant mastic is
    a sealant designed for high-temperature environments, often silicone-based ( RTV ) , offering excellent adhesion, flexibility, and durability for applications like ovens, grills, ductwork, and industrial machinery, with performance varying from 500°F (260°C) up to 1500°F (815°C) or more for specialized ceramic/fireclay versions, preventing gas leaks and sealing gaps in extreme heat.
    Key Types & Features
    • Silicone Sealants (RTV): Common for household and moderate industrial use, offering flexibility and sealing against moisture and air in temperatures from -65°F to 600°F (intermittent up to 650°F).
    • Fireclay/Ceramic Adhesives: For extreme heat (1100°F - 1600°F), used for fireplaces, ovens, and flues, bonding to brick, metal, and concrete.
    • Specialty High-Temp (e.g., PPG HI-TEMP 500): Industrial coatings and sealants for harsh conditions.
    • Bituminous Mastics : More for weatherproofing and general sealing, with lower heat tolerance than silicone or ceramic types.
    Common Applications
    • Appliances: Ovens, microwaves, grills, exhaust hoods.
    • HVAC & Plumbing: Ductwork, chimney joints, industrial piping.
    • Automotive: Gasket making, especially with RTV silicone.
    • Industrial: Machinery, boilers, and high-heat assemblies.
    Where to Find Them
    • Hardware stores ( Home Depot , Amazon) for consumer-grade.
    • Specialty suppliers (Sila Seal, Thermotek, GTeek) for industrial or extreme-temp products.
    How to Choose
    • Check Temperature Rating: Ensure it exceeds your maximum operating temperature (continuous vs. intermittent).
    • Material Compatibility: Verify it bonds to your specific surfaces (metal, ceramic, concrete).
    • Application: Choose between flexible (silicone) or rigid (ceramic) for your job.
    • Everbuild EVBPCHEATSIL Heat Resistant Silicone Sealant, Black, ...
      Product Description Everbuild Heat Resistant Silicone Sealant is a high temperature resistant, fast cure, silicone, heat stable up...
      Amazon.com
    • High temperature sealant - up to 1500°C - GTeek
      Our fireclay adhesive HT 1500 up to 1500° C beige / 310 ml cartridge. This s a quick-setting odorless sealant for sealing fireplac...
      GTeek
    • Ultra-High Temperature Silicone Sealant - Sila Seal ™
      High Temperature. SILA-SEAL™ Ultra-High Temperature Silicone Sealant was formulated to perform at temperatures ranging from -65°F ...
      Sila Seal
    • Rutland 500°F RTV High Heat Silicone Sealant Black, USA-Made ...
      Rutland 500°F RTV High Heat Silicone Sealant forms a tough rubbery seal. It remains flexible in temperatures up to 450°F continuou...
      Amazon.com
    • thermotek silicone mastic
      Thermotek Sillo is versatile, flexible, and can be applied with a trowel or brush. It can be used on a variety of substrates, incl...
      Thermotek Group
    • PPG HI-TEMP 500
      PPG HI-TEMP 500.
      PPG Protective & Marine Coatings
    • Explore Heat-Resistant Mastics and Their Uses
      Nov 30, 2023 — Additives. Adding certain ingredients to the mix can turn an average mastic into a heat-resistant powerhouse. It's a b...
      Insulation & More
    • Ganbaro® 482°F High Temp Silicone Sealant, High Temperature ...
      Ganbaro® 482°F High Temp Silicone Sealant, High Temperature Adhesive, Heat Resistant Glue with Brush Fast Drying Waterproof Adhesi...
      Amazon.com
    • Fire and High Heat Resistant - Sealants - The Home Depot
      Sealants * 3M. * Specialty. * White. * Permanently Flexible. * Exterior. * Number of Tubes Included: 12. * Shop Savings.
      The Home Depot
    • Everbuild EVBPCHEATSIL Heat Resistant Silicone Sealant, Black, ...
      Product Description Everbuild Heat Resistant Silicone Sealant is a high temperature resistant, fast cure, silicone, heat stable up...
      Amazon.com
    • High temperature sealant - up to 1500°C - GTeek
      Our fireclay adhesive HT 1500 up to 1500° C beige / 310 ml cartridge. This s a quick-setting odorless sealant for sealing fireplac...
      GTeek
    • Ultra-High Temperature Silicone Sealant - Sila Seal ™
      High Temperature. SILA-SEAL™ Ultra-High Temperature Silicone Sealant was formulated to perform at temperatures ranging from -65°F ...
      Sila Seal
    Show all
    Dive deeper in AI Mode
    AI responses may include mistakes. Learn more
    Positive feedback
    Negative feedback
    Thank you
    Your feedback helps Google improve. See our Privacy Policy .
    Share more feedback Report a problem Close
    Thank you
    Your feedback helps Google improve. See our Privacy Policy .
    Share more feedback Report a problem Close
    Thank you
    Your feedback helps Google improve. See our Privacy Policy .
    Share more feedback Report a problem Close
    Show more
    Explain this
    Related images
    Copy text
    Access this menu with Ctrl+Shift+X
    My Ad Center

    Fire and High Heat Resistant - Sealants


    The Home Depot
    https://www.homedepot.com › ... › Sealants
    The Home Depot
    https://www.homedepot.com › ... › Sealants
    Get free shipping on qualified Fire and High Heat Resistant Sealants products or Buy Online Pick Up in Store today in the Paint Department.
    4.6 store rating ( 4.6K ) · $8 to $104 · Free in-store returns

    High Heat Silicone Sealant


    Amazon.com
    https://www.amazon.com › high-heat-silicone-sealant
    Amazon.com
    https://www.amazon.com › high-heat-silicone-sealant
    Rutland 500°F RTV High Heat Silicone Sealant Clear, USA-Made High Temperature Gasket Maker Adhesive - UV Stable, Oil Resistant & Non-Corrosive. Read more
    Universal heat-resistant mastic from www.amazon.com
    4.5 store rating ( 17K ) · 30-day returns
    Missing: Universal ‎| Show results with: Universal
    People also ask
    What sealant can withstand high temperatures?
    High Temperature . SILA-SEAL™ Ultra-High Temperature Silicone Sealant was formulated to perform at temperatures ranging from -65°F to 600°F under continuous operating conditions. During intermittent exposure, SILA-SEAL Ultra-High Temperature Silicone Sealant will withstand temperatures as high as 650°F.

    Ultra-High Temperature Silicone Sealant - Sila Seal ™


    Sila Seal
    https://sila-seal.com › product-category › high-temperature
    Sila Seal
    https://sila-seal.com › product-category › high-temperature
    Can mastic withstand heat?
    High temperature mastic sealants are a very specific type of product which are formulated to resist very high service temperatures in residential, commercial and industrial settings . As well as food stuations such as stoves, ovens and hot plates etc.

    High Temperature Mastic Sealants


    Sealants Online
    https://www.sealantsonline.co.uk › Products › High-temp...
    Sealants Online
    https://www.sealantsonline.co.uk › Products › High-temp...
    What's the difference between silicone and mastic?
    On the other hand, Silicone is more flexible and can withstand a wider range of temperatures and weather conditions , making it a popular choice for outdoor applications. Additionally, silicone sealant typically takes longer to dry and cure than mastic, but it is generally more durable over time.

    Mastic Sealant: The Ultimate Solution for Weatherproofing and Sealing


    BrightWhite UPVC Cleaning Services
    https://upvcandroofcleaning.co.uk › mastic-sealant-ultim...
    BrightWhite UPVC Cleaning Services
    https://upvcandroofcleaning.co.uk › mastic-sealant-ultim...
    Can silicone withstand 400 degrees?
    Silicone seals and gaskets typically have a high temperature limit of 400° F to 450° F and a low temperature limit of -65° F to -100° F. This makes silicone the preferred material for applications with demanding temperature requirements.

    FAQ: What is the temperature range for silicone - Cooper Standard


    Cooper Standard
    https://www.cooperstandard.com › faq-silicone-temperat...
    Cooper Standard
    https://www.cooperstandard.com › faq-silicone-temperat...
    Feedback

    High temperature sealant - up to 1500°C


    GTeek
    https://www.gteek.com › high-temperature-sealant-up-to-...
    GTeek
    https://www.gteek.com › high-temperature-sealant-up-to-...
    This sa quick-setting odorless sealant for sealing fireplaces, ovens, stoves, flues, refractory bricks, walls and fire - resistant joints. Read more
    Universal heat-resistant mastic from www.gteek.com

    PPG HI-TEMP 1000


    PPG Protective & Marine Coatings
    https://www.ppgpmc.com › products › ppg-hi-temp-1000
    PPG Protective & Marine Coatings
    https://www.ppgpmc.com › products › ppg-hi-temp-1000
    One component, heat-resistant, universal silicone topcoat for use in elevated temperature systems. Replaces HI-TEMP 1000 V / VS / VHA. Read more
    Popular products
    • Master Flow Water Based Mastic.
      Master Flow Water Based Mastic
      $44.97
      Home Depot       & more
      Free next-day delivery
      3.6 (56)
      Master Flow Water Based Mastic
      $44.97
      Home Depot       & more
      Free next-day delivery
      3.6 (56)
    • Hercules 1/2 gal. Furnace/Stove Cement.
      Hercules 1/2 gal. Furnace/Stove Cement
      $15.99
      Ace Hardware       & more
      4.1 (156)
      Hercules 1/2 gal. Furnace/Stove Cement
      $15.99
      Ace Hardware       & more
      4.1 (156)
    • Thermal Mastic cold transfer putty ( Free Shipping ).
      Thermal Mastic cold transfer putty ( Free Shipping )
      $19.50
      Jc Refrigeration
      Thermal Mastic cold transfer putty ( Free Shipping )
      $19.50
      Jc Refrigeration
    • Rutland EZ Spread Cement Cartridge.
      Rutland EZ Spread Cement Cartridge
      $6.99
      Tractor Supply Company       & more
      5.0 (2)
      Rutland EZ Spread Cement Cartridge
      $6.99
      Tractor Supply Company       & more
      5.0 (2)
    • Thermal Mastic.
      Thermal Mastic
      $37.99
      Home Depot
      Thermal Mastic
      $37.99
      Home Depot
    • J-B Weld High Heat Epoxy Syringe.
      J-B Weld High Heat Epoxy Syringe
      $8.95
      Grainger Industrial Supply       & more
      Next-day delivery $13
      4.4 (324)
      J-B Weld High Heat Epoxy Syringe
      $8.95
      Grainger Industrial Supply       & more
      Next-day delivery $13
      4.4 (324)
    • TEC Type 1 Mastic 101 - 1 gal.
      TEC Type 1 Mastic 101 - 1 gal
      $24.30
      Menards
      TEC Type 1 Mastic 101 - 1 gal
      $24.30
      Menards
    • J-B Weld 37901.
      J-B Weld 37901
      $14.72
      Walmart - Natures Health       & more
      4.0 (675)
      J-B Weld 37901
      $14.72
      Walmart - Natures Health       & more
      4.0 (675)
    • Dap High Heat Mortar.
      Dap High Heat Mortar
      $5.99
      Do it Best       & more
      4.8 (31)
      Dap High Heat Mortar
      $5.99
      Do it Best       & more
      4.8 (31)
    • 3M Fire Barrier Sealant CP 25WB+.
      3M Fire Barrier Sealant CP 25WB+
      $16.83
      R.S. Hughes       & more
      4.2 (269)
      3M Fire Barrier Sealant CP 25WB+
      $16.83
      R.S. Hughes       & more
      4.2 (269)
    More products
    • DAP 10.1 oz. Black High Heat Mortar Sealant (12-Pack).
      DAP 10.1 oz. Black High Heat Mortar Sealant (12-Pack)
      $64.31
      Home Depot
      Free delivery by Mon
      4.8 (31)
      DAP 10.1 oz. Black High Heat Mortar Sealant (12-Pack)
      $64.31
      Home Depot
      Free delivery by Mon
      4.8 (31)
    • TEC Type 1 Mastic 101 - 1 qt.
      TEC Type 1 Mastic 101 - 1 qt
      $8.34
      Menards
      TEC Type 1 Mastic 101 - 1 qt
      $8.34
      Menards
    • LOW PRICE
      RCD #6 Mastic Bucket. Low price.
      RCD #6 Mastic Bucket
      $32.63 Usually $50
      Applied Energy Products       & more
      LOW PRICE
      RCD #6 Mastic Bucket
      $32.63 Usually $50
      Applied Energy Products       & more
    • Meeco's Red Devil Hi-Temp Sealant.
      Meeco's Red Devil Hi-Temp Sealant
      $25.99
      Ace Hardware       & more
      Meeco's Red Devil Hi-Temp Sealant
      $25.99
      Ace Hardware       & more
    • J-B Weld HighHeat 8297 Epoxy Putty.
      J-B Weld HighHeat 8297 Epoxy Putty
      $6.49
      L&M Fleet Supply       & more
      4.4 (449)
      J-B Weld HighHeat 8297 Epoxy Putty
      $6.49
      L&M Fleet Supply       & more
      4.4 (449)
    • J B Weld Ultimate Black RTV Silicone Gasket Maker and Sealant 32329.
      J B Weld Ultimate Black RTV Silicone Gasket Maker and Sealant 32329
      $10.39
      Walmart - JB Tool Sales       & more
      Free delivery
      4.5 (54)
      J B Weld Ultimate Black RTV Silicone Gasket Maker and Sealant 32329
      $10.39
      Walmart - JB Tool Sales       & more
      Free delivery
      4.5 (54)
    • LOW PRICE
      DOW Corning RTV-736 Heat Resistant Sealant. Low price.
      DOW Corning RTV-736 Heat Resistant Sealant
      $20.09 Usually $22
      Ellsworth Adhesives       & more
      LOW PRICE
      DOW Corning RTV-736 Heat Resistant Sealant
      $20.09 Usually $22
      Ellsworth Adhesives       & more
    • DOMETIC Refrigerator Cooling Unit Sealant.
      DOMETIC Refrigerator Cooling Unit Sealant
      $38.99
      Beckleys Camping Center       & more
      5.0 (1)
      DOMETIC Refrigerator Cooling Unit Sealant
      $38.99
      Beckleys Camping Center       & more
      5.0 (1)
    • 3M Fire Barrier Moldable Putty Stix MP+.
      3M Fire Barrier Moldable Putty Stix MP+
      $33.22
      HD Supply       & more
      4.6 (14)
      3M Fire Barrier Moldable Putty Stix MP+
      $33.22
      HD Supply       & more
      4.6 (14)
    • Kraken Bond Fireplace Sealant.
      Kraken Bond Fireplace Sealant
      $19.99
      Walmart - Krakenbond       & more
      Free delivery
      4.7 (14)
      Kraken Bond Fireplace Sealant
      $19.99
      Walmart - Krakenbond       & more
      Free delivery
      4.7 (14)

    Explore Heat-Resistant Mastics and Their Uses


    Insulation & More
    https://insulation-more.co.uk › The Lagging Expert
    Insulation & More
    https://insulation-more.co.uk › The Lagging Expert
    Heat-resistant mastics are used to seal engine components and ensure they can handle the high temperatures without having a meltdown. Factors Affecting Heat ... Read more
    Universal heat-resistant mastic from insulation-more.co.uk

    BLACK HIGH TEMPERATURE SILICONE SEALANT ...


    eBay
    https://www.ebay.com › ... › Other Commercial Ovens
    eBay
    https://www.ebay.com › ... › Other Commercial Ovens
    BLACK HIGH TEMPERATURE SILICONE SEALANT HEAT RESISTANT 1500 DEGREES 1500°C ... ideal for OVENS, FIREPLACES, COOKING HOBS, etc. ASBESTOS FREE. Read more
    Universal heat-resistant mastic from www.ebay.com

    Sealants, sprays and coatings


    Hilti
    https://www.hilti.com › Products
    Hilti
    https://www.hilti.com › Products
    Find firestop sealants, sprays, foams, and coatings, designed to ehance soundproofing and limit smoke spread in cable, pipe, and mixed penetrations. Read more
    More products
    • LOW PRICE
      Red Devil RD Pro Heat Resistant RTV Sealant. Low price.
      Red Devil RD Pro Heat Resistant RTV Sealant
      $14.06 Usually $27
      Hanes Supply       & more
      5.0 (1)
      LOW PRICE
      Red Devil RD Pro Heat Resistant RTV Sealant
      $14.06 Usually $27
      Hanes Supply       & more
      5.0 (1)
    • Rutland Silicone Sealant.
      Rutland Silicone Sealant
      $21.99
      Tractor Supply Company       & more
      4.1 (7)
      Rutland Silicone Sealant
      $21.99
      Tractor Supply Company       & more
      4.1 (7)
    • DOW Corning Heat Resident Sealant.
      DOW Corning Heat Resident Sealant
      $24.30
      Pilot's HQ       & more
      5.0 (4)
      DOW Corning Heat Resident Sealant
      $24.30
      Pilot's HQ       & more
      5.0 (4)
    • Red Devil RD Pro Heat Resistant RTV Sealants.
      Red Devil RD Pro Heat Resistant RTV Sealants
      $13.99
      Theisen's       & more
      Red Devil RD Pro Heat Resistant RTV Sealants
      $13.99
      Theisen's       & more
    • Dow DOWSIL 736 Heat Resistant Sealant Silicone in | Size: Cartridge | by Ellsworth Adhesives in | Size: in Red | Size: 300 ml.
      Dow DOWSIL 736 Heat Resistant Sealant Silicone in | Size: Cartridge | by Ellsworth Adhesives in | Size: in Red | Size: 300 ml
      $30.47
      Ellsworth Adhesives
      Dow DOWSIL 736 Heat Resistant Sealant Silicone in | Size: Cartridge | by Ellsworth Adhesives in | Size: in Red | Size: 300 ml
      $30.47
      Ellsworth Adhesives
    • Metacaulk 1000 Red Intumescent Firestop Sealant.
      Metacaulk 1000 Red Intumescent Firestop Sealant
      $10.99
      Walmart - Seller       & more
      Free delivery
      5.0 (1)
      Metacaulk 1000 Red Intumescent Firestop Sealant
      $10.99
      Walmart - Seller       & more
      Free delivery
      5.0 (1)
    • Rutland 77 Hi-Temp Stove & Gasket Cement.
      Rutland 77 Hi-Temp Stove & Gasket Cement
      $8.51
      Spotix       & more
      4.4 (136)
      Rutland 77 Hi-Temp Stove & Gasket Cement
      $8.51
      Spotix       & more
      4.4 (136)
    • Permatex Ultra Red Gasket Maker 81630.
      Permatex Ultra Red Gasket Maker 81630
      $12.49
      Advance Auto Parts       & more
      4.6 (239)
      Permatex Ultra Red Gasket Maker 81630
      $12.49
      Advance Auto Parts       & more
      4.6 (239)
    • 3M Fire Block Sealant.
      3M Fire Block Sealant
      $10.49
      Carr Hardware       & more
      4.3 (203)
      3M Fire Block Sealant
      $10.49
      Carr Hardware       & more
      4.3 (203)
    • Meeco's Red Devil Silicone Hi-Temp Sealant.
      Meeco's Red Devil Silicone Hi-Temp Sealant
      $22.99
      Ace Hardware       & more
      5.0 (1)
      Meeco's Red Devil Silicone Hi-Temp Sealant
      $22.99
      Ace Hardware       & more
      5.0 (1)

    DOWSIL™ 736 Heat Resistant Sealant


    Dow
    https://www.dow.com › en-us › pdp.dowsil-736-heat-re...
    Dow
    https://www.dow.com › en-us › pdp.dowsil-736-heat-re...
    Red RTV adhesive/sealant for temperatures up to 600°F/315°C . Uses. Sealing and encapsulating heating elements in appliances; Aerospace gasketing; Moving oven ... Read more
    Missing: Universal ‎| Show results with: Universal

    High-temperature resistant sealing solutions - KASTAR


    KASTAR Sealant
    https://www.kastarsealant.com › application › high-tem...
    KASTAR Sealant
    https://www.kastarsealant.com › application › high-tem...
    Replaces almost any cut gasket by making reliable “formed-in-place” gaskets that resist cracking, shrinking, and migrating caused by thermal cycling. Read more
    Universal heat-resistant mastic from www.kastarsealant.com

    High Temperature Non-solidified Fireproof Mastic KC7000


    Shenzhen Cotran New Material CO.,LTD
    https://www.cotranglobal.com › high-temperature-non-...
    Shenzhen Cotran New Material CO.,LTD
    https://www.cotranglobal.com › high-temperature-non-...
    KC7000 non-solidified fireproof Mastic has good water resistance, oil resistance, weather resistance and can be shaped into any form. Read more
    Universal heat-resistant mastic from www.cotranglobal.com

    Ads

    People also ask
    Feedback
    People also search for
    Universal heat resistant mastic home depot
    Universal heat resistant mastic automotive
    High temperature Silicone Sealant 1000 degrees
    High Temperature Sealant 2000 degrees
    1500 Degree high temp Silicone Sealant
    Heat Resistant Sealant
    High Temperature Sealant Home Depot
    Heat Resistant Sealant for metal

    Page Navigation

    1 2 3 4 5 6 7 8 9 10 Next

    Footer Links

    District of Columbia
    - Based on your past activity
    -
    Update location
    Can't update your location
    Learn more
    Updating location...
    Help Send feedback Privacy Terms
    Google apps
    AI overview is ready